When, where: Tonight, 11 p.m., at Jeld-Wen Field, Portland, Ore .
TV, radio: FSC, WBZ-FM (98.5).
Records: Revolution 5-11-12 (27 points); Portland 9-12-6 (33 points).
Formations: Revolution 4-4-2; Portland 4-4-2.
Goalkeepers: Revolution - Matt Reis; Portland - Troy Perkins.
Coaches: Revolution - Steve Nicol; Portland - John Spencer.
Referee: Hilario Grajeda.
Keys to the game: Revolution - Control midfield; wing play from Chris Tierney and Monsef Zerka. Portland - Pressure Revolution back line.
Out: Revolution - M Stephen McCarthy (shoulder), M Sainey Nyassi (knee); Portland - G Adin Brown (concussion), D Kevin Goldthwaite (knee), D David Horst (groin), F Eddie Johnson (concussion), F Spencer Thompson (knee).